CRUDE OIL UPGRADING
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United States of America Patent
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Issued Date -
Jan 21, 2021
app pub date -
Jul 16, 2020
filing date -
Jul 17, 2019
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Abstract
Systems and processes are provided for upgrading a crude oil. In some examples, a heated crude oil can be introduced into an atmospheric distillation column where an overhead gas product comprising C4− hydrocarbons can be recovered and recycled back to the atmospheric distillation column to decrease the partial pressure of the C5+ hydrocarbons in the distillation column allowing higher boiling point fractions of crude oil to be vaporized and recovered.
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